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BMW E31 850Ci M70 5.0L

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BMW E31 850Ci M70 5.0L Engine Parts & Accessories

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Crash Alarm Relay

ES#169259 - 61358364691 - Crash Alarm Relay - Replace your failed relay - Genuine BMW - BMW

Replace your failed relay affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
169259
Mfg#:
61358364691
Ships in 1-2 days
3% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$144.99

This product was last offered at the strikethrough price on
07-08-2026

$140.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Yellow Relay - Priced Each

ES#169405 - 61361389105 - Yellow Relay - Priced Each - Yellow relay used for multiple applications. - Genuine BMW - BMW

Yellow relay used for multiple applications. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
169405
Mfg#:
61361389105
In Stock
$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Camshaft position sensor

ES#3193098 - 12141704920 - Camshaft position sensor - Monitors camshaft position to ensure proper engine operation - Genuine BMW - BMW

Monitors camshaft position to ensure proper engine operation affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
3193098
Mfg#:
12141704920
Ships in 8 Business Days
6% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$290.99

This product was last offered at the strikethrough price on
07-08-2026

$273.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Level Sensor

ES#168111 - 61318360876 - Coolant Level Sensor - Monitors the coolant level in the expansion tank - Genuine BMW - BMW

Monitors the coolant level in the expansion tank affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
168111
Mfg#:
61318360876
Ships in 1-2 days
2% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$92.99

This product was last offered at the strikethrough price on
07-08-2026

$90.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Hose - One Meter Roll

ES#33737 - 13537563456 - Fuel Hose - One Meter Roll - 8x13mm - Genuine BMW - BMW

8x13mm affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
33737
Mfg#:
13537563456
Ships in 1-2 days
1% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$68.99

This product was last offered at the strikethrough price on
07-08-2026

$67.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cooling O-Ring - Priced Each

ES#24857 - 11531710048 - Cooling O-Ring - Priced Each - Seals the rear of the water transfer pipe to the block - Genuine BMW - BMW

Seals the rear of the water transfer pipe to the block affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
24857
Mfg#:
11531710048
In Stock
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rubber Air Intake Boot - Cylinder 1-6

ES#4876460 - 13711733301 - Rubber Air Intake Boot - Cylinder 1-6 - Best alternative to Genuine BMW intake boot at half the price for your E31 - V12Throttle - BMW

Best alternative to Genuine BMW intake boot at half the price for your E31 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
V12Throttle - Corporate Logo
ES#:
4876460
Mfg#:
13711733301
In Stock
Limited Qty Sale
$59.99

This product was last offered at the strikethrough price on
05-02-2026

$53.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Dowel - Priced Each

ES#17669 - 11111743118 - Dowel - Priced Each - 14.5MM - Genuine BMW - BMW

14.5MM affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
17669
Mfg#:
11111743118
In Stock
15% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$8.53

This product was last offered at the strikethrough price on
07-08-2026

$7.26 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Lower Radiator Mount - Priced Each

ES#37686 - 17111178412 - Lower Radiator Mount - Priced Each - Rubber lower mount for your radiator - Genuine BMW - BMW

Rubber lower mount for your radiator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
37686
Mfg#:
17111178412
In Stock
$5.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Pressure Switch

ES#212512 - 12611715504 - Oil Pressure Switch - Measures the oil pressure to ensure proper engine lubrication - Genuine BMW - BMW

Measures the oil pressure to ensure proper engine lubrication affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
212512
Mfg#:
12611715504
Ships in 1-2 days
5% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$39.99

This product was last offered at the strikethrough price on
07-08-2026

$37.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

EWS Transmitter

ES#169305 - 61358379502 - EWS Transmitter - A common cause of starting issues - Genuine BMW - BMW

A common cause of starting issues affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
169305
Mfg#:
61358379502
Ships in 8 Business Days
3% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$267.99

This product was last offered at the strikethrough price on
07-08-2026

$260.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Additional Alternator Harness

ES#30701 - 12511732156 - Additional Alternator Harness - Main electrical cable harness for the additional alternator - Genuine BMW - BMW

Main electrical cable harness for the additional alternator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
30701
Mfg#:
12511732156
Ships in 8 Business Days
3% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$267.99

This product was last offered at the strikethrough price on
07-08-2026

$258.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

BMW Air filter

ES#3676614 - 13721715881 - BMW Air filter - Keep your engine breathing fresh air. - Hengst - BMW
ECS Tuning recommends this product.

Keep your engine breathing fresh air. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat! Hengst is our preferred OEM filtration supplier!
2 required per engine

Brand:
Hengst - Corporate Logo
ES#:
3676614
Mfg#:
13721715881
In Stock
$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Fan Assembly

ES#2167391 - 64541392913 - Auxiliary Fan Assembly - Quality aftermarket replacement. - Continental - BMW

Quality aftermarket replacement. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Continental - Corporate Logo
ES#:
2167391
Mfg#:
64541392913
Ships in 1 day
$258.99

This product was last offered at the strikethrough price on
05-07-2026

$251.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Turner Motorsport Single Wall Straight Cut Exhaust Tip - 2.5 Inlet - 3.0 OD - Stepped Right - Brushed

ES#4146839 - 026732TMS01-02 - Turner Motorsport Single Wall Straight Cut Exhaust Tip - 2.5 Inlet - 3.0 OD - Stepped Right - Brushed - Right - Brushed Straight Cut Exhaust Tip - 2.5 Inlet - 3.0 OD - Turner Motorsport - BMW MINI

Right - Brushed Straight Cut Exhaust Tip - 2.5 Inlet - 3.0 OD affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Not vehicle specific. You MUST measure prior to purchasing!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4146839
Mfg#:
026732TMS01-02
Ships on Oct 29, 2026
Auto Notify
ON SALE! SAVE 20%
$104.99

This product was last offered at the strikethrough price on
06-13-2026

$83.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Remanufactured Starter

ES#3106054 - SR444X - Remanufactured Starter - Price includes $75 core charge - Bosch - BMW

Price includes $75 core charge affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
3106054
Mfg#:
SR444X
In Stock at Vendor
ON SALE! SAVE 11%
$279.99

This product was last offered at the strikethrough price on
05-02-2026

$250.50 USD
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Parts & Accessories

Whether you're maintaining or repairing your stock engine or looking for added horsepower, we have one of the most comprehensive inventories of engine parts and accessories for German cars. From hard engine parts like connecting rods, pistons, cylinder heads, short blocks, and engine timing parts to performance engine software upgrades; we have you covered.

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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